<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2215-3896</journal-id>
<journal-title><![CDATA[Revista de Ciencias Ambientales]]></journal-title>
<abbrev-journal-title><![CDATA[Ciencias Ambientales]]></abbrev-journal-title>
<issn>2215-3896</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2215-38962025000100011</article-id>
<article-id pub-id-type="doi">10.15359/rca.59-1.11</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Proposed guidelines to implement flexible-plastic circular economy business models in Colombia]]></article-title>
<article-title xml:lang="es"><![CDATA[Lineamientos propuestos para implementar modelos de negocio de economía circular de plástico flexible en Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orrego-Bustamante;]]></surname>
<given-names><![CDATA[Nicolas Ramiro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Báez-Niño;]]></surname>
<given-names><![CDATA[Amalia Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[PereaCabarcas;]]></surname>
<given-names><![CDATA[Darling]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lambis-Miranda;]]></surname>
<given-names><![CDATA[Henry Adolfo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Esenttia MB  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Logros Factoring Colombia S.A.  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Tecnológica de Bolívar  ]]></institution>
<addr-line><![CDATA[Cartagena ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Fundación Universitaria Tecnológico Comfenalco Research Group ]]></institution>
<addr-line><![CDATA[Cartagena ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>59</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S2215-38962025000100011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S2215-38962025000100011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S2215-38962025000100011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  (Introduction):  The lack of feasible circular economy models for recycling single-use plastics poses a significant challenge to sustainable waste management. Single-use plastics, particularly flexible types, contribute to environmental pollution and require effective recycling strategies.  (Objective):  This study aimed to analyze global recycling models for single-use plastics under key parameters: type of pollutant, impacts on sustainability, value generation, stakeholders involved, and level of technology.  (Methodology):  A global review of 21 circular economy models focused on single-use flexible plastics was conducted, evaluating their feasibility and effectiveness. Six models were identified as the most relevant based on the selected criteria.  (Results):  The findings indicate that improving eco-efficiency requires the integration of physical and chemical recycling processes to achieve cost reductions. Additionally, maintaining a constant flow of recyclable materials is essential, emphasizing the critical role of material collection and classification cooperatives. In Colombia, the collection and classification of plastic materials emerged as a pivotal element for the long-term sustainability of recycling models.  (Conclusions):  The study highlights the necessity of combining technological and logistical efforts to enhance recycling processes. Strengthening material recovery systems and cooperative efforts is crucial for advancing circular economy goals in the context of single-use plastics.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  (Introducción):  La falta de modelos viables de economía circular para el reciclaje de plásticos de un solo uso representa un desafío importante para la gestión sostenible de residuos. Los plásticos de un solo uso, especialmente los tipos flexibles, contribuyen a la contaminación ambiental y requieren estrategias de reciclaje efectivas.  (Objetivo):  Este estudio tuvo como objetivo analizar modelos de reciclaje globales para plásticos de un solo uso bajo parámetros clave: tipo de contaminante, impactos en la sostenibilidad, generación de valor, actores involucrados y nivel de tecnología.  (Metodología):  Se realizó una revisión global de 21 modelos de economía circular enfocados en plásticos flexibles de un solo uso, evaluando su viabilidad y efectividad. Se identificaron 6 modelos como los más relevantes, según los criterios seleccionados.  (Resultados):  Los hallazgos indican que mejorar la ecoeficiencia requiere la integración de procesos de reciclaje físicos y químicos para lograr reducciones de costos. Además, es esencial mantener un flujo constante de materiales reciclables, destacando el papel crítico de las cooperativas de recolección y clasificación de materiales. En Colombia, la recolección y clasificación de materiales plásticos surgió como un elemento clave para la sostenibilidad, a largo plazo, de los modelos de reciclaje.  (Conclusiones):  El estudio resalta la necesidad de combinar esfuerzos tecnológicos y logísticos para mejorar los procesos de reciclaje. Fortalecer, los sistemas de recuperación de materiales y las iniciativas cooperativas, es crucial para avanzar en los objetivos de la economía circular en el contexto de los plásticos de un solo uso.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[business model]]></kwd>
<kwd lng="en"><![CDATA[circular economy]]></kwd>
<kwd lng="en"><![CDATA[flexible plastic]]></kwd>
<kwd lng="en"><![CDATA[recycling]]></kwd>
<kwd lng="en"><![CDATA[value chain]]></kwd>
<kwd lng="es"><![CDATA[cadena de valor]]></kwd>
<kwd lng="es"><![CDATA[economía circular]]></kwd>
<kwd lng="es"><![CDATA[modelo de negocio]]></kwd>
<kwd lng="es"><![CDATA[plástico flexible]]></kwd>
<kwd lng="es"><![CDATA[reciclaje]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<source><![CDATA[Plásticos en Colombia 2019-2020]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="">
<source><![CDATA[Recycling commercial film value chain case study.]]></source>
<year>2021</year>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bashirgonbadi]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Saputra Lase]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Delva]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Van Geem]]></surname>
<given-names><![CDATA[K. M.]]></given-names>
</name>
<name>
<surname><![CDATA[De Meester]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ragaert]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Quality evaluation and economic assessment of an improved mechanical recycling process for post-consumer flexible plastics]]></article-title>
<source><![CDATA[Waste Management]]></source>
<year>2022</year>
<numero>153</numero>
<issue>153</issue>
<page-range>41-51</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Burgess]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Holmes]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Sharmina]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Shaver]]></surname>
<given-names><![CDATA[M. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The future of UK plastics recycling: One Bin to Rule Them All]]></article-title>
<source><![CDATA[Resources, Conservation and Recycling]]></source>
<year>2021</year>
<numero>164</numero>
<issue>164</issue>
<page-range>105191</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cardona]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cataki: una APP para el progreso social llega Cali para conectar a los ciudadanos con los recicladores de oficio]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cerantola]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[El envase como elemento de marketing]]></source>
<year>2016</year>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cooper]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Copenhagen - Will its waste be wonderful?]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cooper]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Towards a Sustainable Business Model for Plastic Shopping Bag Management in Sweden]]></article-title>
<source><![CDATA[Procedia CIRP]]></source>
<year>2017</year>
<numero>61</numero>
<issue>61</issue>
<page-range>679-84</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Curtzwiler]]></surname>
<given-names><![CDATA[G. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Schweitzer]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiang]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Vorst]]></surname>
<given-names><![CDATA[K. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mixed post-consumer recycled polyolefins as a property tuning material for virgin polypropylene]]></article-title>
<source><![CDATA[Journal of Cleaner Production]]></source>
<year>2019</year>
<numero>239</numero>
<issue>239</issue>
<page-range>117978</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Díaz del Río]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[La magia de la economía circular en 10 objetos de diseño hechos con basura.]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="">
<collab>EcoPazifico</collab>
<source><![CDATA[Operación Estación OQ Shoes By Claudia Bahamon]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="">
<collab>Ellen MacArthur Foundation</collab>
<source><![CDATA[The New Plastics Economy: Catalysing action]]></source>
<year>2017</year>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="">
<collab>Ellen MacArthur Foundation</collab>
<source><![CDATA[Schools of thought that inspired the circular economy]]></source>
<year>2021</year>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="">
<collab>Enerkem</collab>
<source><![CDATA[Supplier partner profiles]]></source>
<year>2023</year>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="">
<collab>Fundación botellas de amor</collab>
<source><![CDATA[Respuestas a preguntas frecuentes]]></source>
<year>2021</year>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gall]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Wiener]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Chagas de Oliveira]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Lang]]></surname>
<given-names><![CDATA[R. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Hansen]]></surname>
<given-names><![CDATA[E. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Building a circular plastics economy with informal waste pickers: Recycle quality, business model, and societal impacts]]></article-title>
<source><![CDATA[Resources, Conservation and Recycling]]></source>
<year>2020</year>
<volume>156</volume>
<page-range>104685</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Graff]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[King]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Sandford]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Materials recovery for the future. Flexible Packaging recycling in material recovery facilities pilot]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="">
<collab>Greenpeace Colombia, &amp; Clínica Jurídica de Salud Pública y Medio Ambiente (MASP) de la Universidad de los Andes.</collab>
<source><![CDATA[Situación actual de los plásticos en Colombia y su impacto en el medio ambiente]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="">
<collab>Grupo Axioma Group S. A. S.</collab>
<source><![CDATA[Nova Chemicals y Enerkem trabajan para producir etileno a partir de desechos]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="">
<collab>Grupo de acción de Economía Circular &amp; Forética.</collab>
<source><![CDATA[La ambición empresarial para avanzar hacia la nueva economía de plásticos]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Pitcher]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Mushing]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lourenço]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Shaver]]></surname>
<given-names><![CDATA[M. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical recycling of multi-materials from glycol-modified poly (ethylene terephthalate)]]></article-title>
<source><![CDATA[Resources, Conservation and Recycling]]></source>
<year>2023</year>
<numero>190</numero>
<issue>190</issue>
<page-range>106854</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Karidis]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[BioCellection&#8217;s Chemical Recycling Process Backed by Green Waste Recovery and City of San José]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kowszyk]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Maher]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Estudios de caso sobre modelos de Economía Circular e integración de los objetivos de desarrollo sostenible en estrategias empresariales en la UE y ALC]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ma]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A new journey of plastics: Towards a circular and low carbon future]]></article-title>
<source><![CDATA[Giant]]></source>
<year>2022</year>
<numero>11</numero>
<issue>11</issue>
<page-range>100115</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Linnenkoper]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Novoloop ceo Miranda Wang: &#8216;We want to help double the size of the circular economy]]></source>
<year>2021</year>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Medda]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Plastic credit: A consortium blockchain-based plastic recyclability system]]></article-title>
<source><![CDATA[Waste Management]]></source>
<year>2021</year>
<numero>121</numero>
<issue>121</issue>
<page-range>42-51</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="">
<collab>Ministerio de Ambiente y Desarrollo Sostenible</collab>
<source><![CDATA[Plan Nacional para la Gestión Sostenible de los Plásticos de un solo uso]]></source>
<year>2021</year>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="">
<collab>Ministerio de Ambiente y Desarrollo Sostenible, y Ministerio de Comercio Industria y Turismo</collab>
<source><![CDATA[Estrategia nacional de economía circular: Cierre de ciclos de materiales, innovación tecnológica, colaboración y nuevos modelos de negocio]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mrowiec]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Plastics in the circular economy (CE).]]></article-title>
<source><![CDATA[Environmental Protection and Natural Resources]]></source>
<year>2018</year>
<volume>29</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>16-9</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nicholson]]></surname>
<given-names><![CDATA[S. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Rorrer]]></surname>
<given-names><![CDATA[N. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Carpenter]]></surname>
<given-names><![CDATA[A. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Beckham]]></surname>
<given-names><![CDATA[G. T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Manufacturing energy and greenhouse gas emissions associated with plastics consumption]]></article-title>
<source><![CDATA[Joule]]></source>
<year>2021</year>
<volume>5</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>673-86</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<collab>Nurel</collab>
<article-title xml:lang=""><![CDATA[Nurel participa en el proyecto multibiobarrier]]></article-title>
<source><![CDATA[Desarrollo de film flexible biodegradable con propiedades barrera para envase alimentario]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="">
<collab>RedCycle</collab>
<source><![CDATA[Soft Plastic Recycling]]></source>
<year>2017</year>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<collab>Replast</collab>
<article-title xml:lang=""><![CDATA[Recycling At Replas]]></article-title>
<source><![CDATA[Ecobuy factsheets]]></source>
<year>2021</year>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="">
<collab>Repsol</collab>
<source><![CDATA[Repsol se une a Enerkem y Agbar para construir una planta de valorización de residuos en Tarragona]]></source>
<year>2021</year>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivas Salmón]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Potenciando la economía circular en torno al envase flexible]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Robayo]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Fundación Botellas de Amor: un modelo de reciclaje que cautiva]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<collab>Scholle IPN</collab>
<article-title xml:lang=""><![CDATA[ESG Report]]></article-title>
<source><![CDATA[Flexible Packaging and Sustainability]]></source>
<year>2021</year>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sandford]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[King]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Graff]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Materials recovery for the future]]></article-title>
<source><![CDATA[Flexible Packaging recycling in material recovery facilities pilot]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="">
<collab>Superintendencia de Servicios Públicos Domiciliarios</collab>
<source><![CDATA[Informe Sectorial de la Actividad de Aprovechamiento 2018]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="">
<collab>Superintendencia de Servicios Públicos Domiciliarios coplásticos</collab>
<source><![CDATA[Plásticos en Colombia 2019-2020]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Távora de Mello Soares]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ek]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Östmark]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gällstedt]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Karlsson]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Recycling of multi-material multilayer plastic packaging: Current trends and future scenarios]]></article-title>
<source><![CDATA[Resources, Conservation and Recycling]]></source>
<year>2022</year>
<numero>176</numero>
<issue>176</issue>
<page-range>105905</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="">
<collab>TheCircularLab</collab>
<source><![CDATA[Carrefour, Dondelotiro y TheCircularLab testan en Logroño un sistema que ayuda a reciclar mejor a través de tickets de compra inteligentes]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="">
<collab>Unilever</collab>
<source><![CDATA[Our solution for recycling plastic sachets takes another step forward]]></source>
<year>2022</year>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
